Revision question · Band 2 traffic signs and signals, car control, pedestrians, mechanical knowledge

What's most likely to waste fuel?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

Reducing your speed

Having an empty roof rack on your car

Using the wrong grade of fuel

Driving within the speed limit

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Having an empty roof rack on your carThis was the right answer

Cars are designed to have an aerodynamic shape; an empty roof rack causes drag and increased wind resistance. The increased wind resistance will waste fuel; it also increases emissions and causes unnecessary pollution to the atmosphere.

Reviewed reading for this question

Rule 89Highway Code rule · Correct tyre pressure, servicing, anticipation and removal of an unused roof rack can reduce fuel use without overriding safety.Rule 123Highway Code rule · Correct tyre pressure, servicing, anticipation and removal of an unused roof rack can reduce fuel use without overriding safety.

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